|Head-To-Head-Tris - U.S.E.D. Software|
"Head-To-Head-Tris is a two player game of skill and strategy. The game is played in rounds. Each round, the players drop pieces from both ends of a sideways pit. The pieces move towards a middle bar, where they stop falling and a new piece tumbles in. Eventually, the pieces form complete vertical columns. These vertical columns, when filled, will disappear, moving the blocks on that side of the pit towards the middle...
Keywords: DOS games; Vintage computer games; Puzzle games